[INFO] fetching crate toy-json-formatter 0.3.7...
[INFO] testing toy-json-formatter-0.3.7 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate toy-json-formatter 0.3.7 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate toy-json-formatter 0.3.7
[INFO] finished tweaking crates.io crate toy-json-formatter 0.3.7
[INFO] tweaked toml for crates.io crate toy-json-formatter 0.3.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate toy-json-formatter 0.3.7 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7061ad1e34bb18298f22d0a2268916dd95a674c482801bfdc570617a84c2679
[INFO] running `Command { std: "docker" "start" "-a" "a7061ad1e34bb18298f22d0a2268916dd95a674c482801bfdc570617a84c2679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7061ad1e34bb18298f22d0a2268916dd95a674c482801bfdc570617a84c2679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7061ad1e34bb18298f22d0a2268916dd95a674c482801bfdc570617a84c2679", kill_on_drop: false }`
[INFO] [stdout] a7061ad1e34bb18298f22d0a2268916dd95a674c482801bfdc570617a84c2679
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98f0d4b2acfa23ae7745b95cae77bdf412e4bd78f321dc1aea597076e841ee6f
[INFO] running `Command { std: "docker" "start" "-a" "98f0d4b2acfa23ae7745b95cae77bdf412e4bd78f321dc1aea597076e841ee6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic_tokenizer v0.1.0
[INFO] [stderr]    Compiling toy-json-formatter v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "98f0d4b2acfa23ae7745b95cae77bdf412e4bd78f321dc1aea597076e841ee6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98f0d4b2acfa23ae7745b95cae77bdf412e4bd78f321dc1aea597076e841ee6f", kill_on_drop: false }`
[INFO] [stdout] 98f0d4b2acfa23ae7745b95cae77bdf412e4bd78f321dc1aea597076e841ee6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d740c1ef872aa6c0a6204bc93d87cd5f673e357284822af1d638cce2d7a925e
[INFO] running `Command { std: "docker" "start" "-a" "4d740c1ef872aa6c0a6204bc93d87cd5f673e357284822af1d638cce2d7a925e", kill_on_drop: false }`
[INFO] [stderr]    Compiling toy-json-formatter v0.3.7 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read `src/../../bad_test2.json`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:288:19
[INFO] [stdout]     |
[INFO] [stdout] 288 |         let str = include_str!("../../bad_test2.json");
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `json_fuzzer`
[INFO] [stdout]    --> src/lib.rs:538:22
[INFO] [stdout]     |
[INFO] [stdout] 538 |         let fuzzer = json_fuzzer::fuzz();
[INFO] [stdout]     |                      ^^^^^^^^^^^ use of unresolved module or unlinked crate `json_fuzzer`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `json_fuzzer`, use `cargo add json_fuzzer` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stdout]    --> src/lib.rs:540:13
[INFO] [stdout]     |
[INFO] [stdout] 540 |         for str in fuzzer {
[INFO] [stdout]     |             ^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sized` is not implemented for `str`
[INFO] [stdout]     = note: all local variables must have a statically known size
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stdout]    --> src/lib.rs:540:9
[INFO] [stdout]     |
[INFO] [stdout] 540 | /         for str in fuzzer {
[INFO] [stdout] 541 | |             if std::panic::catch_unwind(|| {
[INFO] [stdout] 542 | |                 super::format(&str, None);
[INFO] [stdout] 543 | |             })
[INFO] [stdout] ...   |
[INFO] [stdout] 556 | |         }
[INFO] [stdout]     | |_________^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sized` is not implemented for `str`
[INFO] [stdout] note: required by a bound in `None`
[INFO] [stdout]    --> /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/option.rs:603:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stdout]    --> src/lib.rs:540:20
[INFO] [stdout]     |
[INFO] [stdout] 540 |         for str in fuzzer {
[INFO] [stdout]     |                    ^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sized` is not implemented for `str`
[INFO] [stdout] note: required by an implicit `Sized` bound in `Option`
[INFO] [stdout]    --> /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/option.rs:599:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `toy-json-formatter` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "4d740c1ef872aa6c0a6204bc93d87cd5f673e357284822af1d638cce2d7a925e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d740c1ef872aa6c0a6204bc93d87cd5f673e357284822af1d638cce2d7a925e", kill_on_drop: false }`
[INFO] [stdout] 4d740c1ef872aa6c0a6204bc93d87cd5f673e357284822af1d638cce2d7a925e